README

Table of Contents

inanepain/stdlib
1. Install
2. Output Strategy
3. Merge
4. VerifyValue
- 4.1. Methods
5. Website: github

inanepain/stdlib

Common classes that cover a wide range of cases that are used throughout the inanepain libraries.

1. Install

composer

composer require inanepain/stdlib

2. Output Strategy

The Output component provides a consistent strategy for converting data into various formats. It is designed around the OutputInterface and an abstract base class, allowing for easy expansion and uniform usage across the framework.

The Output tools are located in the Inane\Stdlib\Output namespace.

2.1. Components

OutputInterface — defines the output() method.
AbstractOutput — base implementation handling input data storage and lazy-processing.
ArrayOutput — converts input to a PHP array (supports JSON, Serialized, Objects).
JsonStringOutput — converts input to a JSON string.
SerializedOutput — converts input to a PHP serialized string.
XmlOutput — converts input to a SimpleXMLElement object.
XmlStringOutput — converts input to an XML string.

2.2. API Overview

All output classes share the same constructor and method:

public function __construct(protected mixed $inputData);

public function output(): mixed;

The output() method is lazy-loaded; the processing happens once and the result is cached in the outputData property.

2.3. Usage

2.3.1. ArrayOutput

ArrayOutput is highly flexible. It attempts to detect the input type and convert it to an array accordingly.

use Inane\Stdlib\Output\ArrayOutput;

// From an object (recursive conversion)
$output = new ArrayOutput($myObject);
$array = $output->output();

// From a JSON string
$output = new ArrayOutput('{"key": "value"}');
$array = $output->output(); // ['key' => 'value']

// From a serialized string
$output = new ArrayOutput(serialize(['a' => 1]));
$array = $output->output(); // ['a' => 1]

Conversion Logic (ArrayOutput)

If input is an array, it is returned as is.
If input is a string:
- Tries to decode as JSON.
- If not JSON, tries to unserialize.
- If both fail, wraps the string in an array: [$input].
If input is an object, it uses iteratorToArrayDeep to convert it recursively.
For any other type, it wraps the input in an array: [$input].

2.3.2. JsonStringOutput

Converts any input into a JSON string using Inane\Stdlib\Json.

use Inane\Stdlib\Output\JsonStringOutput;

$data = ['name' => 'Inane', 'type' => 'Framework'];
$output = new JsonStringOutput($data);
echo $output->output(); // {"name":"Inane","type":"Framework"}

2.3.3. SerializedOutput

Converts input into a PHP serialized string.

use Inane\Stdlib\Output\SerializedOutput;

$output = new SerializedOutput(['a', 'b', 'c']);
echo $output->output(); // a:3:{i:0;s:1:"a";i:1;s:1:"b";i:2;s:1:"c";}

2.3.4. XmlOutput

Converts input data into a SimpleXMLElement. It uses ArrayOutput internally to normalize the input before conversion.

use Inane\Stdlib\Output\XmlOutput;

$data = ['user' => ['id' => 1, 'name' => 'John']];
$output = new XmlOutput($data);
$xml = $output->output(); // SimpleXMLElement instance

2.3.5. XmlStringOutput

Converts input data into a formatted XML string.

use Inane\Stdlib\Output\XmlStringOutput;

$data = ['root' => ['item' => 'value']];
$output = new XmlStringOutput($data);
echo $output->output();
/*
<?xml version="1.0"?>
<data><root><item>value</item></root></data>
*/

2.4. Extending

To create a new output format, extend AbstractOutput and implement the output() method:

use Inane\Stdlib\Output\AbstractOutput;

class MyCustomOutput extends AbstractOutput {
    public function output(): string {
        if (!isset($this->outputData)) {
            // ... custom conversion logic ...
            $this->outputData = "processed data";
        }
        return $this->outputData;
    }
}

3. Merge

Helper utilities for merging configuration/options arrays and iterators with explicit control over how keys are added and/or updated. The Merge tool lives under Inane\Stdlib\Merge and consists of:

MergeTrait — core implementation and convenience helpers
Merge — small class that exposes the trait as a ready‑to‑use type
MergeInterface — contract for merge behaviour
MergeMethod — enum that selects the merge strategy

3.1. When to use

Use Merge to combine option sets coming from defaults, environment, per‑user overrides, feature flags, etc. It supports nested structures and works with both PHP arrays and ArrayAccess/Iterator implementations.

3.2. Strategies (MergeMethod)

MergeMethod controls how keys are handled during a merge:

AddOnly — only add keys that do not exist on the target; existing keys are left unchanged.
UpdateOnly (default) — only update keys that already exist on the target; new keys are ignored.
AddAndUpdate — add missing keys and update existing keys (full overlay/recursive replace).

Merging is recursive for nested arrays/objects that are arrays or implement ArrayAccess/Iterator on both source and target sides.

3.3. API overview

Namespace: Inane\Stdlib\Merge

Core static method:

Iterator|array MergeTrait::mergeOptionsWithMethod(
    MergeMethod $mergeMethod,
    Iterator|array $target,
    Iterator|array ...$sources
): Iterator|array

Convenience helpers (static):

mergeOptionsWithAddOnly($target, …$sources)
mergeOptionsWithUpdateOnly($target, …$sources)
mergeOptionsWithAddAndUpdate($target, …$sources)

Instance method (via Merge or any class using the trait):

public MergeMethod $mergeMethod = MergeMethod::UpdateOnly; // default

public function mergeOptions(Iterator|array $target, Iterator|array ...$sources): Iterator|array

3.4. Usage

3.4.1. Static helpers

<?php
use Inane\Stdlib\Merge\MergeTrait; // used via Merge facade below
use Inane\Stdlib\Merge\Merge;

$defaults = [
    'host' => 'localhost',
    'port' => 3306,
    'flags' => [ 'compress' => false, 'strict' => true ],
];

$env = [
    'port' => 3307,
    'flags' => [ 'compress' => true ],
    'extra' => 'ignored in UpdateOnly',
];

// Update existing keys only (default semantics)
$merged = Merge::mergeOptionsUpdateOnly($defaults, $env);
/* Result:
[
  'host' => 'localhost',
  'port' => 3307,
  'flags' => [ 'compress' => true, 'strict' => true ],
]
*/

// Add missing keys only
$added = Merge::mergeOptionsAddOnly($defaults, ['timeout' => 5]);
// 'timeout' is appended, existing values untouched

// Add and update (full overlay)
$overlay = Merge::mergeOptionsAddAndUpdate($defaults, $env);
// Includes 'extra' and applies nested updates

3.4.2. Instance with a configurable method

<?php
use Inane\Stdlib\Merge\{Merge, MergeMethod};

$merger = new Merge();
$merger->mergeMethod = MergeMethod::AddAndUpdate; // choose strategy at runtime

$target = [ 'a' => 1, 'b' => ['x' => true] ];
$source = [ 'b' => ['x' => false, 'y' => 2], 'c' => 3 ];

$result = $merger->mergeOptions($target, $source);
// [ 'a' => 1, 'b' => ['x' => false, 'y' => 2], 'c' => 3 ]

3.5. Behavior details

The key existence on the target is determined as follows:
arrays: array_key_exists($key, $target)
ArrayAccess: $target→offsetExists($key)
iterables: isset($target[$key])
Recursion happens only when both source and target values at a key are array‑like (is_array or ArrayAccess). Otherwise, the source value replaces the target value subject to the chosen strategy.
Multiple sources are merged left‑to‑right in the order provided.

3.6. Working with iterators and ArrayAccess

You can pass objects implementing Iterator and/or ArrayAccess as both target and sources. Merge will respect their semantics for key existence checks and assignments, allowing use with custom option containers.

3.7. Selecting a strategy dynamically

If you receive a user‑provided string (e.g. from config), you can map it to a MergeMethod case using MergeMethod::tryFromName($name, $ignoreCase = false).

use Inane\Stdlib\Merge\MergeMethod;

$method = MergeMethod::tryFromName('addonly', true) ?? MergeMethod::UpdateOnly;

3.8. JavaScript counterpart

For frontend experiments there is a simple ES module at public/js/inane/class-lib/MergeOptions.mjs that mirrors the basic behaviour for merging option objects.

3.9. Tips

Use UpdateOnly to enforce a strict schema: only predefined keys get updated.
Use AddOnly to apply safe defaults without overwriting user choices.
Use AddAndUpdate when you want a typical deep overlay of configuration.

4. VerifyValue

Utility class providing static methods for validating and verifying common value types such as booleans, emails, integers, floats, IP addresses, MAC addresses, domains, and regex-matched strings.

All methods wrap PHP’s native filter_var function with a consistent, expressive API and sensible defaults.

4.1. Methods

4.1.1. boolVerify

Validates and converts a given value into a boolean.

Accepts the same truthy/falsy strings that PHP’s filter_var recognises (e.g. "true", "yes", "1", "on" and their negatives).

Signature

public static function boolVerify(mixed $value, bool $nullOnFailure = false): ?bool

Table 1. Parameters

Parameter	Type	Description
`$value`	`mixed`	The value to validate and convert to boolean.
`$nullOnFailure`	`bool`	When `true`, returns `null` on failure instead of `false`.

Example

VerifyValue::boolVerify('yes');          // true
VerifyValue::boolVerify('off');          // false
VerifyValue::boolVerify('maybe', true);  // null

4.1.2. emailVerify

Validates an email address or an array of email addresses.

When an array is supplied, each element is validated individually, and the method returns an associative array keyed by the original input values.

Signature

public static function emailVerify(string|array $value): false|string|array

Table 2. Parameters

Parameter	Type	Description
`$value`	`string\|array`	A single email address string, or an array of email address strings.

Example

VerifyValue::emailVerify('user@example.com');                    // 'user@example.com'
VerifyValue::emailVerify('not-an-email');                        // false
VerifyValue::emailVerify(['a@b.com', 'bad', 'c@d.com']);        // ['a@b.com' => 'a@b.com', 'bad' => false, 'c@d.com' => 'c@d.com']

4.1.3. integerVerify

Validates an integer value with optional range and base constraints.

Supports octal (prefix 0) and hexadecimal (prefix 0x) notation when the corresponding flags are enabled.

Signature

public static function integerVerify(mixed $int, mixed $default = false, ?int $min = null, ?int $max = null, bool $allowOctal = false, bool $allowHex = false): bool

Table 3. Parameters

Parameter	Type	Description
`$int`	`mixed`	The value to validate as an integer.
`$default`	`mixed`	Fallback value returned on validation failure. Pass `false` to omit.
`$min`	`int\|null`	Optional minimum allowed value (inclusive).
`$max`	`int\|null`	Optional maximum allowed value (inclusive).
`$allowOctal`	`bool`	When `true`, octal notation is accepted.
`$allowHex`	`bool`	When `true`, hexadecimal notation is accepted.

Example

VerifyValue::integerVerify(42);                        // true
VerifyValue::integerVerify(42, false, 1, 100);         // true
VerifyValue::integerVerify(200, false, 1, 100);        // false
VerifyValue::integerVerify('0x1A', false, null, null, false, true);  // true

4.1.4. intVerify

Validates an integer value using a named options array.

A convenience wrapper around integerVerify() that accepts a named options array instead of individual parameters. Unrecognised keys are silently ignored.

Signature

public static function intVerify(mixed $int, array $options = []): bool

Table 4. Parameters

Parameter	Type	Description
`$int`	`mixed`	The value to validate as an integer.
`$options`	`array`	Named validation options: `default`, `min`, `max`, `allowOctal`, `allowHex`.

Example

VerifyValue::intVerify(42, ['min' => 1, 'max' => 100]);   // true
VerifyValue::intVerify('0xFF', ['allowHex' => true]);      // true

4.1.5. floatVerify

Validates a float value with optional range and thousand-separator support.

Signature

public static function floatVerify(mixed $int, mixed $default = false, ?int $min = null, ?int $max = null, bool $acceptFloat = false): bool

Table 5. Parameters

Parameter	Type	Description
`$int`	`mixed`	The value to validate as a float.
`$default`	`mixed`	Fallback value returned on validation failure. Pass `false` to omit.
`$min`	`int\|null`	Optional minimum allowed value (inclusive).
`$max`	`int\|null`	Optional maximum allowed value (inclusive).
`$acceptFloat`	`bool`	When `true`, values containing a thousand separator (`,`) are accepted.

Example

VerifyValue::floatVerify(3.14);                        // true
VerifyValue::floatVerify('1,234.56', false, null, null, true);  // true
VerifyValue::floatVerify('abc');                       // false

4.1.6. regexVerify

Validates a value against a regular expression pattern.

Returns the original value when it matches the pattern, the $default string when provided and the match fails, or null otherwise.

Signature

public static function regexVerify(mixed $value, string $pattern, ?string $default = null): ?string

Table 6. Parameters

Parameter	Type	Description
`$value`	`mixed`	The value to validate.
`$pattern`	`string`	A valid PCRE regular expression (including delimiters).
`$default`	`string\|null`	Optional fallback string returned when validation fails.

Example

VerifyValue::regexVerify('hello123', '/^[a-z]+\d+$/');          // 'hello123'
VerifyValue::regexVerify('!!!', '/^[a-z]+$/', 'no-match');      // 'no-match'
VerifyValue::regexVerify('!!!', '/^[a-z]+$/');                  // null

4.1.7. domainVerify

Validates a domain name, optionally enforcing strict hostname rules.

Signature

public static function domainVerify(mixed $value, bool $hostname = false): ?string

Table 7. Parameters

Parameter	Type	Description
`$value`	`mixed`	The value to validate as a domain name.
`$hostname`	`bool`	When `true`, applies stricter hostname validation rules.

Example

VerifyValue::domainVerify('example.com');          // 'example.com'
VerifyValue::domainVerify('-bad.com', true);       // null
VerifyValue::domainVerify('not a domain');         // null

4.1.8. ipVerify

Validates an IP address with configurable version and range policies.

By default, both IPv4 and IPv6 addresses are accepted. Passing false for one version while leaving the other as true restricts validation to the remaining version.

Signature

public static function ipVerify(mixed $value, bool $allowV4 = true, bool $allowV6 = true, bool $denyPrivate = false, bool $denyReserved = false, bool $globalOnly = false): ?string

Table 8. Parameters

Parameter	Type	Description
`$value`	`mixed`	The value to validate as an IP address.
`$allowV4`	`bool`	Accept IPv4 addresses (default `true`).
`$allowV6`	`bool`	Accept IPv6 addresses (default `true`).
`$denyPrivate`	`bool`	Reject private-range addresses (e.g. `192.168.x.x`).
`$denyReserved`	`bool`	Reject reserved-range addresses (e.g. `0.0.0.0`).
`$globalOnly`	`bool`	Accept only globally routable addresses.

Example

VerifyValue::ipVerify('192.168.1.1');                          // '192.168.1.1'
VerifyValue::ipVerify('192.168.1.1', true, true, true);       // null (private range denied)
VerifyValue::ipVerify('::1', false, true);                    // '::1' (IPv6 only)
VerifyValue::ipVerify('not-an-ip');                           // null

4.1.9. macVerify

Validates a MAC address and optionally normalises its format.

PHP’s filter_var accepts colons (:), hyphens (-), and dots (.) as separators. When $normalize is true the validated address is stripped of its original separators and rebuilt using $separator.

Signature

public static function macVerify(mixed $value, bool $normalize = false, string $separator = ':'): ?string

Table 9. Parameters

Parameter	Type	Description
`$value`	`mixed`	The value to validate as a MAC address.
`$normalize`	`bool`	When `true`, the returned address is normalised to a consistent separator.
`$separator`	`string`	The separator character used when normalising (default `:`).

Example

VerifyValue::macVerify('00-1A-2B-3C-4D-5E');                    // '00-1A-2B-3C-4D-5E'
VerifyValue::macVerify('00-1A-2B-3C-4D-5E', true);              // '00:1a:2b:3c:4d:5e'
VerifyValue::macVerify('00.1A.2B.3C.4D.5E', true, '-');         // '00-1a-2b-3c-4d-5e'
VerifyValue::macVerify('not-a-mac');                            // null

5. Website: github

github


  ██████████████    ██████████      ██  ████    ████  ██  ██  ██████████████
  ██          ██      ██  ████          ██████████        ██  ██          ██
  ██  ██████  ██  ████  ████  ████████  ██████████████████    ██  ██████  ██
  ██  ██████  ██  ████        ██      ████    ████████  ████  ██  ██████  ██
  ██  ██████  ██    ██      ██  ████    ██  ██                ██  ██████  ██
  ██          ██    ██        ██████    ██    ██  ██          ██          ██
  ██████████████  ██  ██  ██  ██  ██  ██  ██  ██  ██  ██  ██  ██████████████
                      ██    ██████      ██  ██████████  ████
        ████  ████  ██  ████    ██  ██  ██    ██  ████    ██        ████
  ██    ████      ████      ████  ██  ██        ██  ██      ████  ██
  ████    ██████████            ██      ██    ██  ████      ████████      ██
        ████      ████████    ██    ████      ██      ████  ████    ████  ██
  ██  ████  ████  ████  ██  ████    ██    ██              ██  ████  ██  ████
  ██      ████      ████  ██████  ██        ██    ██  ████  ██    ██  ██
            ████      ██████████████    ██████  ██    ████████  ██  ████████
        ██  ██        ██  ██████  ██      ██  ████      ██        ██████  ██
      ████    ██████  ██  ██  ██    ████    ██  ██████        ██      ██  ██
  ██  ██████          ██        ██████  ████████  ██    ██  ██          ██
  ████  ████████  ████████████    ████████    ██████  ████  ██████  ████  ██
    ██  ██      ██  ████    ████  ████  ██  ████  ████  ██████████████  ██
    ██    ████████                  ██  ██      ██    ██  ██████  ██      ██
  ██  ████████    ██    ██  ██████  ████  ██████  ████  ████    ██████
    ██      ████  ██      ██          ██        ██  ██  ██        ██████  ██
  ██    ██  ██      ████    ██  ██    ████  ██      ██  ██████  ██  ████████
    ██  ██████████    ████  ████  ██████    ██████████          ██████
  ██  ██    ██    ██        ██  ██  ██  ██  ████    ████      ██
  ████  ██  ██████    ████  ██████  ████        ████  ████    ████████  ████
  ██  ██████    ████  ██████    ██████████    ████        ████  ██    ██
  ██  ██████  ████  ██    ████  ██████████████    ████  ██████████████
                  ██████  ████████  ██    ██  ██    ██    ██      ██████
  ██████████████  ██      ██████  ██████  ████  ████████  ██  ██  ██████  ██
  ██          ██    ██████    ████    ██            ██  ████      ████  ████
  ██  ██████  ██  ████  ██  ████  ████  ██    ██      ██████████████
  ██  ██████  ██  ██    ██████    ████  ██        ██  ██████  ████  ████
  ██  ██████  ██    ██      ██████████    ██  ████      ████    ████    ████
  ██          ██          ██    ██  ██  ██      ████        ██████  ████████
  ██████████████      ██    ██    ████      ██  ████      ██      ████    ██

inanepain / stdlib

Maintainers

Package info

Statistics

Security

README

inanepain/stdlib

1. Install

2. Output Strategy

2.1. Components

2.2. API Overview

2.3. Usage

2.3.1. ArrayOutput

Conversion Logic (ArrayOutput)

2.3.2. JsonStringOutput

2.3.3. SerializedOutput

2.3.4. XmlOutput

2.3.5. XmlStringOutput

2.4. Extending

3. Merge

3.1. When to use

3.2. Strategies (MergeMethod)

3.3. API overview

3.4. Usage

3.4.1. Static helpers

3.4.2. Instance with a configurable method

3.5. Behavior details

3.6. Working with iterators and ArrayAccess

3.7. Selecting a strategy dynamically

3.8. JavaScript counterpart

3.9. Tips

4. VerifyValue

4.1. Methods

4.1.1. boolVerify

4.1.2. emailVerify

4.1.3. integerVerify

4.1.4. intVerify

4.1.5. floatVerify

4.1.6. regexVerify

4.1.7. domainVerify

4.1.8. ipVerify

4.1.9. macVerify

5. Website: github